[src/trunk]: src/sys/arch/i386/i386 Fix outdated comment, and #ifdef.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9b6da3ce53a4
branches:  trunk
changeset: 347956:9b6da3ce53a4
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sun Sep 25 12:59:19 2016 +0000

description:
Fix outdated comment, and #ifdef.

diffstat:

 sys/arch/i386/i386/machdep.c |  13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)

diffs (48 lines):

diff -r 7539c9bacef9 -r 9b6da3ce53a4 sys/arch/i386/i386/machdep.c
--- a/sys/arch/i386/i386/machdep.c      Sun Sep 25 12:53:24 2016 +0000
+++ b/sys/arch/i386/i386/machdep.c      Sun Sep 25 12:59:19 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.761 2016/08/27 16:07:26 maxv Exp $       */
+/*     $NetBSD: machdep.c,v 1.762 2016/09/25 12:59:19 maxv Exp $       */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2000, 2004, 2006, 2008, 2009
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.761 2016/08/27 16:07:26 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.762 2016/09/25 12:59:19 maxv Exp $");
 
 #include "opt_beep.h"
 #include "opt_compat_ibcs2.h"
@@ -1280,19 +1280,15 @@
 
        init386_msgbuf();
 
-#ifndef XEN
+#if !defined(XEN) && NBIOSCALL > 0
        /*
         * XXX Remove this
         *
         * Setup a temporary Page Table Entry to allow identity mappings of
-        * the real mode address. This is required by:
-        * - bioscall
-        * - MP bootstrap
-        * - ACPI wakecode
+        * the real mode address. This is required by bioscall.
         */
        init386_pte0();
 
-#if NBIOSCALL > 0
        KASSERT(biostramp_image_size <= PAGE_SIZE);
        pmap_kenter_pa((vaddr_t)BIOSTRAMP_BASE, (paddr_t)BIOSTRAMP_BASE,
            VM_PROT_ALL, 0);
@@ -1302,7 +1298,6 @@
        /* Needed early, for bioscall() */
        cpu_info_primary.ci_pmap = pmap_kernel();
 #endif
-#endif /* !XEN */
 
        pmap_kenter_pa(idt_vaddr, idt_paddr, VM_PROT_READ|VM_PROT_WRITE, 0);
        pmap_kenter_pa(gdt_vaddr, gdt_paddr, VM_PROT_READ|VM_PROT_WRITE, 0);